Sure. Can u show the question or somthing and I got u fam
Answer:

Step-by-step explanation:
The given expression is 
Comparing to
, we have 
We add and subtract 

This implies that:

The expression in the rectangle is a perfect square

Therefore 
It might be 9 if it's not 6 ...but I can't see how it wouldn't be 6?
Answer:
That they have the same length
Step-by-step explanation:
Answer:
the picture isnt loading. it says error.
Step-by-step explanation: